-ana -wal a-wa aaaa aaab aaac aaal aaan aaba aabb aabc aabl aabw aaca aacb aacc aacl aacn aala aalc aall aana aaww abaa abab abac abal aban abaw abb- abba abbb abca abcb abcc abcl abcn abcw abla abwa acaa acab acac acan acba acbl acca accc acla aclc acwa acwl acww alaa alac alal alan alaw alb- alba albc alca alcc all- alla alll alln alna alwc ana- anaa anab anac anal anan anba anbb anbl anca ancc anla anlc anln anna annb awac awal awan awwa baaa baal baan baba babb bac- baca bacc bacn bala balc ball bana banc bann baw- bawl bawn bbbb bblb bbwc bcaa bcbc bcca bccc bccl blaa blab blac blan blaw blw- bwaa bwan caaa caab caac caal caan caba cac- caca cacc cacw cala calc call calw cana canc cann cawl cbac cbal cbbc cbca cbcc cbcl cbcn cblb cblc cbln cbna cbwa ccaa ccab ccac ccba ccbc ccbn ccca cccb cccc cccl ccla cclc ccna ccnb ccnc clab clan claw cnaa cnac cnbc cnbl cnna cwac cwbl cwla laaa laac laal laan laba laca lacc lacl lala lall lan- lana lanc lann lawa lawl lawn lbcc lcac lcaw lcbc lcca lccc llan llcc lllc llll llnw naaa naab naac naal naan naba nabc nabl naca nacc nacl nala nalc nall nan- nana nanb nann nawa nawl nbaa nbbc nbca nbcc ncaa ncac ncba ncbc ncca nccc nccn nclc ncln ncna ncnc ncwc nlab nlaw nlcc nlwc nnnn nwac nwbl nwbn nwbw waaa waac waal waaw waba wabb wabc wabl wabn wabw waca wacb wacc wacl wala walb walc wall waln wan- wana wanb wanc wann wawa wawb wawc wawl wbaa wbab wbac wbal wban wbbb wbbl wbbn wbbw wbca wbcb wbcl wbcn wbcw wblb wblc wbll wbln wblw wbna wbnb wbnc wbnl wbnw wbwb wbwc wbwl wbwn wcab wcal wcba wcbc wcbl wcbw wcca wccb wccc wccl wccn wccw wcla wclb wclc wcll wcln wclw wcna wcnc wcnl wcnn wcnw wcwa wcwb wcwc wcwn wlaa wlab wlac wlan wlaw wlbb wlbc wlbl wlbn wlbw wlca wlcc wlcl wlcn wlla wlll wlln wllw wlna wlnc wlnl wlwc wlwl wnaa wnab wnac wnaw wnba wnbb wnbc wnbl wnbn wnbw wnca wncb wncc wncl wncn wncw wnla wnlc wnnc wnnl wnnw wnwc wnwn wnww wwab wwac wwba wwbb wwbc wwbl wwbn wwca wwcb wwcl wwcn wwcw wwlb wwlc wwll wwln wwlw wwna wwnb wwnc wwnl wwnn wwnw wwwa wwwc wwwl wwwn wwww